方向最小 的英文怎麼說

中文拼音 [fāngxiàngzuìxiǎo]
方向最小 英文
u-min
  • : Ⅰ名詞1 (方形; 方體) square 2 [數學] (乘方) involution; power 3 (方向) direction 4 (方面) ...
  • : 副詞(表示某種屬性超過所有同類的人或事物) most; best; worst; first; very; least; above all; -est
  • : Ⅰ形容詞1 (體積、面積、數量、強度等不大) small; little; petty; minor 2 (年紀小的; 年幼的) youn...
  • 方向 : direction; orientation
  1. Based on the analysis of thermal contact metamorphic aureoles, granitoid interior structure, quartz axis fabric and strain characters in the different rock unites of yuanshishan granitoid and its wall rocks, the emplacement mechanism of yanshishan granitoid was studied. the magmatic explictite dynamic was advanced in light of regional stress and magma dynamic research. those conclusion was synthesized to ascertain the emplacement mechanism - granitic magma ascended in dikes with the minimum critical width of the magma ascending channels about 2. 213. 88m and located in the core of yindianshan dome with the passive style of dyke explictite ; the later unite is a kind of multiple emplacement mechanism with the character of active emplacement of ballooning

    同時運用巖漿動力學原理從另一個角度探討其侵位驅動力。綜上指出:經分凝后的活動性巖漿在深部側擠壓和浮力的聯合驅動下,沿深大斷裂以臨界寬度為2 . 213 . 88m的裂隙脈動上侵,整體以巖墻擴展的式被動定位於銀殿山穹窿的核部,但後期屋面前單元具有主動侵位的特點應為一種復合定位機制。
  2. To overcome the disadvantages of the linear calibration methods such as mlr and pls, least - squares support vector machine ( ls - svm ) is introduced to nir quantitative calibration in this thesis. for a set of diesel cetane number ( cn ) samples, the ls - svm model obtains the best performance in the cn prediction, compared with the mlr and pls model

    為克服mlr與pls等線性校正法的局限性,本文將二乘支持量機( ls - svm )演算法用於近紅外光譜的定量校正,並以一批柴油十六烷值樣品數據為例對以上法進行了比較。
  3. In this diploma thesis, the statistic and structural characteristic of musical score image is analyzed and synthesized by relevant technology of image project, pattern recognition, mathematical morphology, software engineering, music knowledge, midi and so on. the concept of direction number has been defined, and then the mathematical morphology theory is used to process musical score image and recognize musical information. specialized direction number algorithms are firstly used to preprocess a musical score image and then recognize stafflines, barlines, pitch, note values, clef, etc. finally the musical information of the musical score image is automatically stored in the midi format

    本文利用圖像處理、模式識別、數學形態學、音樂知識庫與midi等相關技術,分析與綜合數字樂譜圖像的統計與結構特徵,提出了數等概念,對樂譜圖像進行處理,利用直圖技術與數演算法識別譜線、節線、符乾等樂譜的主要框架,然後用數學形態學理論識別音高與時值,後根據這些音樂信息,組合成音樂樂譜信息,並自動轉化成midi格式。
  4. Another direct take market as beginning point move to corporation, under this case, it, basing on the analysis on the optima ] number of business partners, argue that the forming of vc is the sharing result of transaction cost and incentive of non - contractible investment. at the last, base on the analysis mentioned above, and combining with the cases about clothing enterprise in wenzhou city of zhejiang province, it make suggestions to sems on what is the key factor to set up vc

    另?個是以市場為起點,企業發展,從這個角度本義以企業合作的佳合作數量為研究對象,通過分析企業間協調成一本的以及參加虛擬企業的激勵因索,提出虛擬企業的形成是交易成本和對商業夥伴的非和約投資進行激勵兩種因素共同作用的結果。後,本文價:前} fll章節的從礎卜,結合筆一者在溫州對企業調研的案例,對中企業運用虛擬企業這種組織形式提出建議。
  5. First the sketch / datum plane is fitted by least - square distance, then the extruded direction or axis with the flank points of the cloud is extracted in quadratic paogramming arithmetic, and certain points projected to gain 2d sketched datas. feature points are defined to segment the sketch datas, and the sketch profile is generated by fitting separately the line and circle segment

    使用二乘法擬合草圖基準平面,採用二次規劃法提取拉伸和旋轉軸線,然後將數據點投影以獲取草圖數據,通過柵格劃分提取草圖邊界輪廓數據,再對這些邊界數據進行基於特徵點的分割,以直線和圓弧段擬合出草圖輪廓。
  6. ( 6 ) the principal stress direction arised deflexion obviously after excavation, the maximum principal stress paralled to opening, minimum principal stress vertical to sidewall or vault

    ( 6 )數值模擬研究表明,隧道開挖后,主應力發生明顯偏轉,大主應力與開挖臨空面平行,主應力近於垂直。
  7. Finally, this thesis discussed these following questions : first, the algorithm of used the error image for improving the purpose of the edge detection. secondly, we have transformed the solved question of the first and the second directional derivative to frequency domain and founded they have a single formulae in frequency domain. thirdly, we have described the singular signal and the noise by using the correlations of the neighbor data after wavelet transform

    後,在傳統的邊緣檢測演算法和波分析的邊緣檢測演算法之外,對以下幾個面也進行了一些討論: 1 )利用誤差圖像來提高邊緣檢測效果的演算法; 2 )將求解任意的一階、二階導數的問題轉換到頻域中去求解,發現在頻域中它們具有簡單易用的公式,使得原來求解任意的一階、二階導數的比較困難的問題變得容易實現了。
  8. The dispersion model, with axial dispersion only was used to describe the liquid flow in the downcomer. the model parameters were fitted by the least - squares method. it was found that the curve of dispersion model fitted the experimental rtd curve well

    本文利用一維軸擴散模型對降液管中液體流動進行了數學描述,用時間域二乘法擬合了模型參數,模型程所作曲線與rtd曲線吻合較好。
  9. Federer closed with a crosscourt forehand, sprinting from left to right to retrieve a drop shot and whip a winner

    後費德勒一個正手斜線出擊,在由左至右的放了個球,拿下整場比賽。
  10. Firstly, the connected end sets of the relay lines are got using the breadth first search algorithm and the connected relationship of wiring terms is got in the electrical circuit diagram according to different cad block structure of different element type. secondly, the appropriate specification of the relay element is chosen by using the equinoctial graph algorithm, and the panel layout diagram is generated automatically by the combining automatic layout and manual intervention. finally, the optimized path algorithm which passes each vertex in the completed non - directional graph once and only once is put forward, this algorithm and the prim minimum spanning tree algrotithm can generate the inner panel wiring diagram and terminal wiring diagram automatically

    首先,採用廣度優先搜索演算法查找電氣原理圖中的連通導線端點集,並根據不同類型的繼電元件對應的cad圖塊結構的不同,得到電氣原理圖中元件接線端子之間的連接關系;其次,根據二分圖匹配演算法為電氣原理圖中繼電元件選擇合適的型號和規格,並採用人工干預和自動布置相結合的法完成屏面布置圖的自動生成;後,提出了完全無圖中經過每個頂點一次且僅一次的優化路徑演算法,利用該演算法和經過預處理的prim生成樹演算法自動生成屏內安裝接線圖和端子接線圖。
  11. At first, this paper analyzes the factors of water - sand influencing water level of yellow river and the feasibility just using the factors of water - sand to study water level, and collects the corresponding data ; secondly, because there are strong nonlinear relation in the corresponding data, by meticulous theory analysis, this paper integrates basic nonlinear analysis method, theory of random analysis, method of least squares and so on. it puts forward a method which can get the high accuracy simulation of the data, perfects the multi - factor analysis of variable ( over three factors ) of the statistic ; thirdly, it applies the method to the approximation of corresponding water level process which belong to the capacity of sand of middle - high and middle - low, and get the high - accuracy simulation about the typical nonlinear relation ; at last, this paper definitudes the main influence mode that the capacity of sand. it mainly unite with other factors to work on the water level in the yellow river lower reaches ; mor eover, this paper analyzes the difficult point and the direction of improvement to realize the accuracy forecasting of the flood level of erodible - bed channel

    首先,系統分析了影響黃河水位的水沙因素,及僅用水沙因素有效研究水位的可行性,並按變量對應思想採集它們的相應數據;其次,由於相應水位過程數據中含極強的非線性關系,本論文經細致的理論分析,將基本的非線性分析法、統計建模法、隨機分析理論、誤差原則等等數學理論及法有機揉合,提出了能有效實現這類數據高精度擬合的分層篩選法,並改進了統計學中多因子(三個以上)差分析法;再次,將這一法用於黃河中高及中低含沙類洪水相應水位過程的擬合,實現了這一典型非線性關系的高精度擬合,各年汛期上下游相應洪水位過程的擬合誤差都較後,明確黃河下游含沙量對水位的主要影響式,即含沙量主要是與其它因素聯合對水位作用;另外分析了要實現變動河床洪水位過程準確預報的困難所在及改進
  12. 42 trees are obtained and the 13th is most acceptable. the results show that the evolutionary inclination of forewing and hindwing of empoascini is that the forewing evolved from these whose veins of mp " are derived from cell r, to these whose mp " from cell m, and the most advanced taxa include these whose 3 distal veins are derived from cell m. the hindwing are evolved from these whose cua is branched and the mp " + cua " is presented, to those whose cua is unbranched and mp " + cua " disappeared, based on the above analysis, the genera of empoascini can be divided into two groups : one group includes these whose mp " + cua " are present, the other consists of those whose mp " + cua " are disappeared

    在系統發育面,應用hennig86 ( version1 . 5 )軟體,根據中國綠葉蟬族40個屬及外群dikraneura ,首次研究了該族的系統發育關系,根據研究結果初步提出了該族前、后翅脈的進化,即該族前翅翅脈呈現出mp脈源於r室,逐漸進化到mp脈源於m室,後前翅3條端脈皆源於m室的趨勢;后翅翅脈由cua脈端部分二叉,進化到后翅cua脈端部不分叉、 mp + cua脈退化的趨勢。
  13. The first one : fitting together ultimate values of every dimensions in one dimension - chain one by one, educing many equations by itself, calculating results, and comparing these results of close dimension to find maximal and minimal values. the second one : projecting all dimensions on two preestablished axis, then providing the solutions to analyze whether every projected dimensions is increscent or decreasing, and synthesize the effect of every projected dimensions to close dimension, educing many equations by itself, at last calculating the result of close dimension. the third one : according to monte carlo analysis, getting every dimensions " values from every dimensions " tolerances at random time after time, simulating the actual circumstances of mass production using these dimensions, and calculating reasonable results of close dimension economically

    鑒于這類系統在各大中型企業的廣泛應用與相對滯后的研究水平,本文提出了三種新的能切實地解決目前尺寸鏈計算機輔助分析解算中存在的各種難題的設計案,第一種案將尺寸鏈中各組成環能取的極值組合起來,自動列程組,求解每個組合情況下的封閉環尺寸,後比較這些結果,得出封閉環的值;第二種案將尺寸鏈各組成環預先設定好的兩個投影,之後再分析各尺寸環投影分量的增減性,並且提供了組成環兩個上的投影分量增減性不一的復雜情況下的解決辦法,綜合組成環各投影分量的增減性,然後自動列出程組,後根據各組成環的投影分量以及所列的程組來確定尺寸鏈封閉環的尺寸;第三種案以蒙特卡洛法為原理,在尺寸鏈各組成環的取值范圍內使用計算機產生大量隨機數,模擬實際大批量生產中的零件尺寸分佈情況,以更經濟更合理的式分析、計算封閉環尺寸。
  14. The method of wing shape optimization of space shutlle has been developed with penalty function approach in which the objective function is the mass of the wing and the constraints are the hypersonic re - entry flight cross range, lift / drag ratio, and subsonic flight lift / drag ratio, the margin of the longitudial static stability and the magnitude of the horizontal landing speed etc

    摘要介紹了在滿足高超音速再入橫機動航程,高超音速再入飛行時的升阻比,亞音速進場飛行時的升阻比,縱靜穩定性裕度和水平著陸速度等飛行性能設計要求下,用罰函數法尋求使航天飛機機翼質量為的外形優化法並給出了算例。
  15. Disigning coolant channel on the firebox of liquid rocket engine to loxodrome ( equal - angle helix ) groove can improve firebox coolant capability greatly. because the width dimension of loxodrome groove is narrow and the depth is deep, some machining methods are incapable, such as end - milling or electrochemistry. according to the peculiarities, a cnc disk - cutter - milling method which is composed of five motion axes with four simultaneously interpolated ones is researched. because most firebox generatrix is composed of complex curves, it is very difficult to get cnc cutting program with manual means. in order to deal with the problem, the loxodrome mathematics model is studied, and an auto - programming software system is developed. the software system can generate cnc cutting program of loxodrome on many kinds of turned surface. the constriction - distension segment of firebox is the most representative workpiece. the sharp changing of its generatrix slope makes loxodrome milling difficult. with the theory analyzing and practice cutting experiment, some applied techniques, which include milling mode and direction, choosing cutter diameter and cutting start point setting, are developed. adopting the technology above, tens regular workpiece have been manufacturing. the two - year manufacture practice has confirmed the validity and feasibility of developed loxodrome coolant channel milling method. the developed technology is also worth to be referenced to other similar workpiece

    將液體火箭發動機燃燒室的冷卻通道設計為斜航線(等傾角螺旋線)槽形,可以大幅度改善燃燒室的冷卻性能.斜航線冷卻槽的槽寬尺寸較而槽深尺寸較大,所以無法使用棒銑刀銑削、電化學等加工式.針對這些特點,提出了五軸控制、四軸聯動的數控片銑刀銑削加工法.由於燃燒室外表面的母線輪廓復雜,手工編制數控加工程序難度大.為了解決數控加工程序的編制問題,研究了斜航線的數學模型,開發了自動編程軟體系統.使用該系統,可以生成多種母線輪廓回轉體外表面上的斜航線數控加工程序.燃燒室收斂-擴張段的母線斜率變化大,加工難度大,是斜航線冷卻通道加工的典型工件.經過理論分析和實際切削實驗,研究了針對該類型工件的片銑刀直徑選擇、銑削式和、刀具調整和起刀點的設置等多項實際的加工案.採用上述的一系列技術,已經成功地加工了數十個合格工件.經過兩年多的實際生產過程應用,驗證了所開發的斜航線冷卻通道加工法的正確性和可行性.這些加工技術的研製成功,對其他相似類型零件的加工亦具有參考意義
  16. Coriolis force is the earth rotation movement in fluence result, according to the newtonian mechanics principle and the law of motion, the analysis coriolis force the production and the essence, asks to calculate coriol is force the size and the direction, finally have discussed coriolis force the influence and the application

    摘要地轉偏力是地球自轉運動影響的結果,根據牛頓力學原理和運動定律,分析地轉偏力的產生和實質,求算地轉偏力的大後探討了地轉偏力的影響和應用。
  17. For nonlinear l1 problem based on the conditions for optimality of the nonlinear l1 problem in [ 1 ], we first discuss the descent direction of the objective function f ( x ) in theory, further more, we study the relation between the optimal solution of nonlinear l1 problem and the optimal solution of some kind of quadratic programming problem with box constrains. hence, we construct a descent algorithm for nonlinear l1 problem and prove the convergence of the algorithm

    在文[ 1 ]所給的優性條件的基礎上,對非線性l _ 1問題從理論上研究了f ( x )的下降優解與某種框式約束二乘問題的優解之間的關系,進而構造了一個非線性l _ 1問題的下降演算法,並證明了該演算法的收斂性。
  18. After bringing every nook and corner into requisition and putting men pretty well everywhere, she had been driven to stow them away in threes and fours, which was a course of procedure entirely opposed to her principles

    她雖然經驗豐富,這時也暈頭轉了。她把客人安置在各個地,連的角落都利用上了,她剛才不得不把三四個男人安頓在一起,這是違背她的原則的。
  19. Colourless optical glass test methods - least deviation angular test method for refractive index in the ultraviolet and infrared wave band

    無色光學玻璃測試法紫外紅外折射率測試角法
  20. And strengthening contribution of t1 phase is maximal in the rolling direction, minimal in the transverse direction, and midterm in the 45 direction, which means that contribution of t1 phase to anisotropy of alloys is contrary to that of textures

    相在縱和橫的強化貢獻大,而在45的強化貢獻,即與織構的作用一致; t _ 1相的強化貢獻則在縱,在橫大,在45較大,即與織構的作用相反。
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